9:30 That part when Ustad Vilayat Khan breaks into vocals, when he just couldn't resist keeping the words to himself. The Sitar seems to be uttering these words all throughout, but we only know once we hear him say those words - what the Sitar had been singing all along. And the camaraderie between the two legends is spell-bounding, both loving each other's presence on stage. And it shows how much they're enjoying between themselves playing together. This recital needs to be heard several times on loop just to even begin to understand the genius behind this. Pure magic.
pure magic .. they are testing the limits of the instrumental melody and enjoying the mastery of each other's creativity in motion. This is how it must feel in heaven.